let's develop more stars in education. let's invest in our teachers... ...so they can inspire our students. let's solve this. >>> i, too, want to avoid any personal attacks. i promise not to bring up your singing. so i -- >> i promise not to sing. >> an editorial in "the los angeles times" said, in addition to his uncontrolled verbosity, biden is a gaffe machine. can you reassure voters in this country that you would have the discipline you would need on the world stage, senator? >> yes. >> thank you, senator biden. >> joining us now is the deputy campaign manager for the obama/biden campaign, stephanie cutter. stephanie cutter, thank you very much for being with us tonight. i appreciate your time. >> good talking to you. >> so we have been talking on this stage and everybody in the country has been talking about the impact of the last debate. common wisdom is that the first presidential debate was essentially a game changer. and that the democrats, your side, really needs a change in the momentum tonight. do you agree wit